Home / 517,534,181.60-776,077,323.60-210,724,325.60

Finding the Fourth Proportional to 517,534,181.60, 776,077,323.60 and 210,724,325.60

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Solution

The fourth proportional to 517,534,181.60, 776,077,323.60 and 210,724,325.60 is: 315,995,303.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,534,181.60 : 776,077,323.60 = 210,724,325.60 : x
  2. Step 2: Convert to fraction form
    517,534,181.60/776,077,323.60 = 210,724,325.60/x
  3. Step 3: Cross multiply
    517,534,181.60x = 776,077,323.60 × 210,724,325.60
  4. Step 4: Simplify right side
    517,534,181.60x = 163,538,370,629,062,976
  5. Step 5: Solve for x
    x = 163,538,370,629,062,976/517,534,181.60
  6. Step 6: Final answer
    x = 315,995,303.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.